x^2+4x-104=0

Simple and best practice solution for x^2+4x-104=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2+4x-104=0 equation:


Simplifying
x2 + 4x + -104 = 0

Reorder the terms:
-104 + 4x + x2 = 0

Solving
-104 + 4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '104' to each side of the equation.
-104 + 4x + 104 + x2 = 0 + 104

Reorder the terms:
-104 + 104 + 4x + x2 = 0 + 104

Combine like terms: -104 + 104 = 0
0 + 4x + x2 = 0 + 104
4x + x2 = 0 + 104

Combine like terms: 0 + 104 = 104
4x + x2 = 104

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 104 + 4

Reorder the terms:
4 + 4x + x2 = 104 + 4

Combine like terms: 104 + 4 = 108
4 + 4x + x2 = 108

Factor a perfect square on the left side:
(x + 2)(x + 2) = 108

Calculate the square root of the right side: 10.392304845

Break this problem into two subproblems by setting 
(x + 2) equal to 10.392304845 and -10.392304845.

Subproblem 1

x + 2 = 10.392304845 Simplifying x + 2 = 10.392304845 Reorder the terms: 2 + x = 10.392304845 Solving 2 + x = 10.392304845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 10.392304845 + -2 Combine like terms: 2 + -2 = 0 0 + x = 10.392304845 + -2 x = 10.392304845 + -2 Combine like terms: 10.392304845 + -2 = 8.392304845 x = 8.392304845 Simplifying x = 8.392304845

Subproblem 2

x + 2 = -10.392304845 Simplifying x + 2 = -10.392304845 Reorder the terms: 2 + x = -10.392304845 Solving 2 + x = -10.392304845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -10.392304845 + -2 Combine like terms: 2 + -2 = 0 0 + x = -10.392304845 + -2 x = -10.392304845 + -2 Combine like terms: -10.392304845 + -2 = -12.392304845 x = -12.392304845 Simplifying x = -12.392304845

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.392304845, -12.392304845}

See similar equations:

| -2-7=-23 | | 10+4x=230 | | x=360(4) | | 360(4)=x | | 2/5(15x-5)=10 | | 2(15x-5)=10 | | 5x+5=6x-2 | | 4x^2-23x+19=-3x+10 | | 9x-5=8x-1 | | 4x^2-23x+19=-3x | | x^2+7x+6=3x+3 | | x^2+13x+47=7 | | 4x^2-29x+37=-5x+2 | | 5x-11=-5 | | 4x-7+2x=5x-6+9 | | 8.3=b/14 | | 5x-3x+7=2x-2+9 | | 6x=2-2+4 | | -3(4x+1)=3(3-4x) | | 8*+4=3*+7 | | 44=t/11 | | x^2+5x+9=3 | | x*x-x=8 | | x+(x+30)=190 | | 2/3x-4=16 | | (x+1)*3=x+5 | | x^2+4x=104 | | x^2+xy+x+y-5=0 | | .50+x=500 | | -1/6(x-18)+1/2(x+2)=x-4 | | -1/6(x-18)+1/2(x+2) | | 4(x+2)-2x=4x+-2 |

Equations solver categories